Finding the Fourth Proportional to 135,758.94, 203,640.99 and 47,015.34
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Solution
The fourth proportional to 135,758.94, 203,640.99 and 47,015.34 is: 70,523.90
Step by Step Solution
- Step 1: Write the proportion equation
135,758.94 : 203,640.99 = 47,015.34 : x - Step 2: Convert to fraction form
135,758.94/203,640.99 = 47,015.34/x - Step 3: Cross multiply
135,758.94x = 203,640.99 × 47,015.34 - Step 4: Simplify right side
135,758.94x = 9,574,249,442.83 - Step 5: Solve for x
x = 9,574,249,442.83/135,758.94 - Step 6: Final answer
x = 70,523.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.